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Finding the Fourth Proportional to 737,627.10, 1,106,440.65 and 637,899.90

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Solution

The fourth proportional to 737,627.10, 1,106,440.65 and 637,899.90 is: 956,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,627.10 : 1,106,440.65 = 637,899.90 : x
  2. Step 2: Convert to fraction form
    737,627.10/1,106,440.65 = 637,899.90/x
  3. Step 3: Cross multiply
    737,627.10x = 1,106,440.65 × 637,899.90
  4. Step 4: Simplify right side
    737,627.10x = 705,798,379,990.94
  5. Step 5: Solve for x
    x = 705,798,379,990.94/737,627.10
  6. Step 6: Final answer
    x = 956,849.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.